Nokia 7373 - Manual (Page 72)

S I M s e r v i c e s
71
16. SIM services
Your SIM card may provide additional services. You can access
this menu only if it is supported by your SIM card. The name and contents
of the menu depend on the available services.
For availability and information on using SIM card services, contact your SIM
card vendor. This may be the service provider, network operator, or other vendor.
To set the phone to show you the confirmation messages sent between your
phone and the network when you are using the SIM services, select
Menu >
Settings > Phone > Confirm SIM actions > Yes .
Accessing these services may involve sending messages or making a phone call
for which you may be charged.